4861053526565 has 8 divisors (see below), whose sum is σ = 5842197259128. Its totient is φ = 3882887469760.

The previous prime is 4861053526507. The next prime is 4861053526573. The reversal of 4861053526565 is 5656253501684.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3080472004 + 4857973054561 = 55502^2 + 2204081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4861053526565 - 2⁶ = 4861053526501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4861053526565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744415346 + ... + 744421875.

It is an arithmetic number, because the mean of its divisors is an integer number (730274657391).

Almost surely, 2^{4861053526565} is an apocalyptic number.

It is an amenable number.

4861053526565 is a deficient number, since it is larger than the sum of its proper divisors (981143732563).

4861053526565 is a wasteful number, since it uses less digits than its factorization.

4861053526565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488837879.

The product of its (nonzero) digits is 25920000, while the sum is 56.

The spelling of 4861053526565 in words is "four trillion, eight hundred sixty-one billion, fifty-three million, five hundred twenty-six thousand, five hundred sixty-five".